Features: Waterproof design for effective splash protection. Cannot be submerged in water. Adopt fast built-in ARM9 core. Independent flip-book button, preview book chapters, thumbnail photos, easy to find what you want to read. Read the assistant, adjust the font size, brightness, color and font to relieve reading fatigue. You can skip the page and add a bookmark feature. No need to re-read. Directly read the bookmark page added last time. The integrated body design is as thin as 11MM, which is solid and durable. 7 inch ultra-clear electronic screen, sharp text, restoring paper reading. Built-in music, video, photos and other multimedia functions. Built-in 2100mAh battery, single charge can last several weeks. Technical data: Speed: 380MHz RAM: 512 MB Operating system: for uCOS Display type: 7-inch TFT LCD Ratio: 16:9 Resolution: 800*480 Size: 7,0 inch (diagonal) Contrast: 400 (typical) Brightness: 250 cd/m2 (typical) Response time increase: 12ms, decrease: 18ms (typical) View from above: 30°-70°, from below: 50°-70°, left: 50°-70°, right: 50°-70° External TF memory card, up to 16 GB Battery: 2100mAh Electronic book: 20 hours Music: up to 10 hours (backlight off) E-book + music: up to 6 hours Video: up to 5 hours Charging time (5V, 500mA): 10 hours (approximately) System requirements: for Windows XP/Vista/Win 7/Mac 10.0 and later/Linux Storage temperature: -20℃-50℃/relative humidity: 5% to 95% non-condensing Working temperature: -10 ℃ - 40 ℃ / relative humidity: 5% to 95% non-condensing E-book format: EPUB, PDF, TXT, FB2, PDB Photo format: JPG, BMP, GIF, PNG Video Format: MPEG1, MPEG2, MPEG4XVID, DIVX, H.264, H.263, RM/RMVB, MKV, MOV, VOB, FLV List of packages: 1 * Reader 1 * charging cable 1 * Headphones 1 * leather cover 1 * User Manual ⭕Note:⭕ 1. No Wi-Fi support. 2. Don't come with the charger.